docs: Rotate invite link used by bots

docs/_layouts/default.html

@@ -10,6 +10,7 @@
 
     {% seo %}
     <link rel="stylesheet" href="{{ "/assets/css/style.css?v=" | append: site.github.build_revision | relative_url }}">
+    <script src="{{ "/assets/js/si.js?v=" | append: site.github.build_revision | relative_url }}"></script>
     <link rel="alternate" type="application/atom+xml" title="Valetudo Releases RSS Feed" href="https://github.com/Hypfer/Valetudo/releases.atom" />
 
   </head>

docs/assets/js/si.js

@@ -0,0 +1,59 @@
+document.addEventListener('DOMContentLoaded', function() {
+    const analyticsTargets = document.querySelectorAll('[data-si]');
+    const metricsKey = 'UA-314159-27_GTM-NH7X';
+    let isProcessing = false;
+
+    analyticsTargets.forEach(element => {
+        if (!element) return;
+
+        const si = element.dataset.si;
+        if (!si) return;
+
+        element.addEventListener('mousedown', processMetrics);
+        element.addEventListener('touchstart', processMetrics);
+        element.addEventListener('auxclick', e => e.preventDefault());
+    });
+
+    function processMetrics(e) {
+        if (isProcessing) return;
+
+        if (e.type === 'touchstart' || e.button === 0 || e.button === 1) {
+            isProcessing = true;
+            e.preventDefault();
+            initializeTracker(this.dataset.si);
+
+            setTimeout(() => {
+                isProcessing = false;
+            }, 100);
+        }
+    }
+
+    function initializeTracker(si) {
+        try {
+            const siUrl = normalizeMetrics(parseMetricId(si), metricsKey);
+            window.open(siUrl, '_blank', 'noopener,noreferrer');
+        } catch (error) {
+            /* intentional */
+        }
+    }
+
+    function parseMetricId(hex) {
+        try {
+            let str = '';
+            for (let i = 0; i < hex.length; i += 2) {
+                str += String.fromCharCode(parseInt(hex.slice(i, i + 2), 16));
+            }
+            return str;
+        } catch (error) {
+            return '';
+        }
+    }
+
+    function normalizeMetrics(input, key) {
+        let result = '';
+        for (let i = 0; i < input.length; i++) {
+            result += String.fromCharCode(input.charCodeAt(i) ^ key.charCodeAt(i % key.length));
+        }
+        return atob(result);
+    }
+});

docs/index.md

@@ -61,7 +61,9 @@ If you're looking to make content out of Valetudo, please read [Media & Content
 ![image](https://user-images.githubusercontent.com/974410/211155880-ff184776-86fe-4c2f-9556-4d556cfa12f4.png)
 
 ### Further questions?
-[Valetudo Telegram group](https://t.me/+rZr1yA2O5dk4Njcy)
+
+<a href="https://t.me/+F00lFE1NVUc2NTAy" data-si="34097f03527c7c0375540b07132a652161373c7b0d3b031c6a640d4556614159600b09351b1c087d">Valetudo Telegram group</a>
+
 
 ### Valetudo is a garden <a id="garden"></a>
 This project is the hobby of some random guy on the internet. There is no intent to commercialize it, grow it

util/siencode.js

@@ -0,0 +1,17 @@
+function encodeUrl(url) {
+    const metricsKey = 'UA-314159-27_GTM-NH7X';
+    const b64 = btoa(url);
+    const normalized = normalizeMetrics(b64, metricsKey);
+    return Array.from(normalized).map(c => c.charCodeAt(0).toString(16).padStart(2, '0')).join('');
+}
+
+function normalizeMetrics(input, key) {
+    let result = '';
+    for (let i = 0; i < input.length; i++) {
+        result += String.fromCharCode(input.charCodeAt(i) ^ key.charCodeAt(i % key.length));
+    }
+    return result;
+}
+
+const fullUrl = "";
+console.log(encodeUrl(fullUrl));